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-rw-r--r--include/linux/memcontrol.h16
1 files changed, 13 insertions, 3 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 6ea9f919e888..7c95af8d552c 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -400,8 +400,8 @@ int memcg_cache_id(struct mem_cgroup *memcg);
void memcg_update_array_size(int num_groups);
-struct kmem_cache *
-__memcg_kmem_get_cache(struct kmem_cache *cachep, gfp_t gfp);
+struct kmem_cache *__memcg_kmem_get_cache(struct kmem_cache *cachep);
+void __memcg_kmem_put_cache(struct kmem_cache *cachep);
int __memcg_charge_slab(struct kmem_cache *cachep, gfp_t gfp, int order);
void __memcg_uncharge_slab(struct kmem_cache *cachep, int order);
@@ -492,7 +492,13 @@ memcg_kmem_get_cache(struct kmem_cache *cachep, gfp_t gfp)
if (unlikely(fatal_signal_pending(current)))
return cachep;
- return __memcg_kmem_get_cache(cachep, gfp);
+ return __memcg_kmem_get_cache(cachep);
+}
+
+static __always_inline void memcg_kmem_put_cache(struct kmem_cache *cachep)
+{
+ if (memcg_kmem_enabled())
+ __memcg_kmem_put_cache(cachep);
}
#else
#define for_each_memcg_cache_index(_idx) \
@@ -528,6 +534,10 @@ memcg_kmem_get_cache(struct kmem_cache *cachep, gfp_t gfp)
{
return cachep;
}
+
+static inline void memcg_kmem_put_cache(struct kmem_cache *cachep)
+{
+}
#endif /* CONFIG_MEMCG_KMEM */
#endif /* _LINUX_MEMCONTROL_H */